private bool CheckLink(UseCaseDiagramNodeData fromData, UseCaseDiagramNodeData toData, UseCaseDiagramLinkData linkData, string category)
{
if (
(category == Constants.UML_UCD_ANCHOR)
&&
(fromData.Category == Constants.UML_UCD_EDITABLE_NOTE || toData.Category == Constants.UML_UCD_EDITABLE_NOTE)
&&
(fromData.Category != toData.Category)
&&
(fromData.Category != Constants.UML_UCD_NOTE)
&&
(toData.Category != Constants.UML_UCD_NOTE)
)
{
linkData.Category = category;
linkData.Color = Constants.VALID_COLOR;
return(IsLinkUniqueBothWays(linkData, category));
}
else
{
string relationship = Uml4Upmm.CheckUCDRelationship(fromData.IRI, toData.IRI, UseCaseDiagramPage.IsValidatingWithModel, out string color, category);
if (relationship == null)
{
return(false);
}
else
{
linkData.Category = category;
linkData.Text = relationship == "" ? relationship : "<<" + relationship + ">>";
linkData.Color = color;
}
}
return(IsLinkUnique(linkData, category));
}
private void diagram_LinkRelinked(object sender, Northwoods.GoXam.DiagramEventArgs e)
{
Link link = (e.Part as Link);
UseCaseDiagramLinkData linkData = link.Data as UseCaseDiagramLinkData;
UseCaseDiagramNodeData fromData = link.FromData as UseCaseDiagramNodeData;
UseCaseDiagramNodeData toData = link.ToData as UseCaseDiagramNodeData;
var isValid = CheckLink(fromData, toData, linkData, linkData.Category);
if (!isValid)
{
(diagram.LinksSource as ObservableCollection <UseCaseDiagramLinkData>).Remove(linkData);
}
}
// event handler pro vkládání uzlu
private void diagram_ExternalObjectsDropped(object sender, Northwoods.GoXam.DiagramEventArgs e)
{
UseCaseDiagramNodeData data = null;
if ((sender as Diagram).SelectedNode == null)
{
data = (sender as Diagram).SelectedGroup.Data as UseCaseDiagramNodeData;
}
else
{
data = (sender as Diagram).SelectedNode.Data as UseCaseDiagramNodeData;
}
string[] categories = { Constants.UML_UCD_ACTOR, Constants.UML_UCD_SYSTEM, Constants.UML_UCD_NOTE, Constants.UML_UCD_USE_CASE, Constants.UML_UCD_EDITABLE_NOTE };
if (categories.Contains(data.Category) && !AllowDuplicateNodes)
{
if ((sender as Diagram).Nodes.Count(x => (x.Data as UseCaseDiagramNodeData).IRI == data.IRI && (x.Data as UseCaseDiagramNodeData).Category == data.Category) > 1)
{
diagram.Model.RemoveNode(data);
}
}
}